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NAS is designed as an easy and self-contained solution for sharing files over the network. Both DAS and NAS can potentially increase availability of data by using RAID or clustering. Both NAS and DAS can have various amount of cache memory, which greatly affects performance. When comparing use of NAS with use of local (non-networked) DAS, the ...
The above translates into different implementations for different uses. Here are some examples. An Internet service provider which provides network access via common modem or modem-like devices (be it PSTN, DSL, cable or GPRS/UMTS) can have one or more NAS (network access server) devices which accept PPP, PPPoE or PPTP connections, checking credentials and recording accounting data via back ...
The NAS is defined in contrast to the Access Stratum which is responsible for carrying information over the wireless portion of the network. A further description of NAS is that it is a protocol for messages passed between the User Equipment, also known as mobiles, and Core Nodes (e.g. Mobile Switching Center, Serving GPRS Support Node, or ...
A storage area network (SAN) or storage network is a computer network which provides access to consolidated, block-level data storage. SANs are primarily used to access data storage devices, such as disk arrays and tape libraries from servers so that the devices appear to the operating system as direct-attached storage .
NAS—Network-Attached Storage; NASM—Netwide ASseMbler; NAT—Network Address Translation; NCP—NetWare Core Protocol; NCQ—Native Command Queuing;
NAS: Network-attached storage Hardware / Storage Computer data storage: NAT: Network Address Translation Internet Layer Cisco Internet Protocol Journal: A look Inside Network Address Translators: NBMA: Non-Broadcast Multiple Access (e.g. Frame Relay ATM) Telecom See ATM, Frame Relay and X.25, for examples. NIC: Network Interface Card Physical layer
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When network access is granted to the user by the NAS, an Accounting Start (a RADIUS Accounting Request packet containing an Acct-Status-Type attribute with the value "start") is sent by the NAS to the RADIUS server to signal the start of the user's network access. "Start" records typically contain the user's identification, network address ...